Home / 864,822.15-1,193,456.88-482,862.60

Finding the Fourth Proportional to 864,822.15, 1,193,456.88 and 482,862.60

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Solution

The fourth proportional to 864,822.15, 1,193,456.88 and 482,862.60 is: 666,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,822.15 : 1,193,456.88 = 482,862.60 : x
  2. Step 2: Convert to fraction form
    864,822.15/1,193,456.88 = 482,862.60/x
  3. Step 3: Cross multiply
    864,822.15x = 1,193,456.88 × 482,862.60
  4. Step 4: Simplify right side
    864,822.15x = 576,275,692,064.69
  5. Step 5: Solve for x
    x = 576,275,692,064.69/864,822.15
  6. Step 6: Final answer
    x = 666,351.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.